Chronology file name : AK031.CRN Measurement file name : AK031.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1515 Ending year : 1977 Principal investigators: Gordon Jacoby Rosanne D'Arrigo Brendan Buckley Site name : Four Twelve 3 Digit Site location : Alaska Species information : PCGL WHITE SPRUCE Latitude : +6756 Longitude : -16218 Elevation : 126M Series intercorrelation: 0.644 Avg mean sensitivity : 0.263 Avg standard deviation : 0.152 Avg autocorrelation : 0.835 Number dated series : 34 Segment length tested : 50 Number problem segments: 6 Pct problem segments : 1.45 PART 5: CORRELATION OF SERIES BY SEGMENTS: ak031.rwl 13:38 Thu 10 Mar 2005 Page 5 ------------------------------------------------------------------------------------------------------------------------------------ Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 021011 1572 1977 .54 .57 .75 .78 .64 .70 .76 .68 .65 .59 .49 .58 .47 .51 .54 .37 .45 2 021012 1627 1977 .72 .69 .82 .78 .73 .70 .43 .30B .50 .48 .54 .54 .56 .63 3 021013 1627 1977 .86 .71 .67 .72 .80 .73 .59 .53 .55 .48 .47 .48 .46 .48 4 021021 1585 1977 .68 .79 .83 .70 .62 .66 .70 .55 .49 .48 .63 .71 .67 .58 .36 .38 5 021022 1545 1977 .52 .51 .65 .68 .66 .69 .71 .68 .59 .55 .62 .41 .48 .61 .53 .45 .55 .56 6 021023 1545 1977 .76 .70 .63 .68 .73 .65 .62 .71 .74 .55 .39 .31A .57 .69 .75 .79 .58 .63 7 021025 1596 1977 .76 .77 .66 .50 .65 .83 .79 .57 .51 .38 .52 .60 .60 .67 .52 .56 8 021031 1515 1976 .74 .74 .56 .69 .79 .71 .56 .58 .76 .85 .87 .86 .70 .64 .66 .68 .76 .65 .68 9 021032 1515 1977 .66 .65 .62 .70 .78 .83 .62 .55 .71 .76 .75 .80 .63 .46 .62 .73 .73 .70 .74 10 021033 1598 1898 .78 .79 .66 .61 .56 .72 .84 .77 .73 .64 .72 .62 11 021034 1598 1977 .80 .81 .80 .77 .66 .67 .65 .54 .57 .37 .52 .67 .71 .72 .62 .65 12 021035 1557 1977 .71 .71 .82 .63 .57 .60 .67 .82 .84 .83 .57 .62 .74 .73 .74 .51 .53 13 021036 1557 1977 .73 .71 .77 .75 .65 .67 .71 .80 .78 .70 .46 .51 .70 .74 .74 .46 .54 14 021041 1725 1977 .67 .45 .55 .54 .37B .37 .61 .60 .47 .49 15 021051 1807 1977 .56 .63 .68 .69 .64 .60 .60 16 021052 1850 1977 .69 .69 .67 .57 .57 17 021061 1752 1977 .73 .82 .76 .64 .71 .72 .66 .45 .48 18 021062 1752 1977 .71 .77 .68 .61 .75 .78 .71 .36 .46 19 021071 1780 1977 .52 .61 .55 .68 .77 .64 .42 .49 20 021072 1743 1977 .70 .66 .60 .69 .68 .71 .82 .83 .61 .64 21 021073 1754 1977 .66 .67 .71 .62 .67 .81 .77 .42 .49 22 021074 1825 1977 .54 .74 .80 .73 .46 .55 23 021081 1780 1977 .55 .62 .65 .79 .80 .61 .27B .40 24 021091 1660 1977 .43 .53 .65 .70 .73 .77 .60 .58 .74 .78 .73 .46 .52 25 021092 1662 1977 .62 .61 .68 .73 .36 .39 .66 .67 .75 .77 .75 .57 .60 26 021093 1648 1977 .51 .50 .66 .74 .72 .63 .67 .61 .62 .75 .81 .80 .63 .62 27 021101 1678 1977 .59 .56 .53 .70 .70 .63 .51 .64 .75 .70 .59 .62 28 021102 1678 1977 .55 .68 .71 .50 .56 .63 .66 .78 .78 .69 .38 .44 29 021103 1709 1977 .81 .81 .72 .66 .66 .79 .82 .77 .75 .46 .52 30 021104 1709 1977 .78 .83 .74 .78 .74 .71 .80 .89 .82 .43 .39 31 021111 1830 1977 .57 .58 .74 .69 .35 .38 32 021131 1758 1977 .52 .55 .60 .63 .72 .85 .78 .49 .54 33 021132 1758 1977 .57 .33B .26B .65 .56 .48 .52 .42 .48 34 021133 1734 1977 .66 .52 .50 .55 .57 .58 .56 .43 .38 .39 Av segment correlation .70 .67 .63 .70 .77 .72 .62 .63 .71 .73 .65 .62 .56 .59 .66 .71 .68 .49 .53 PART 7: DESCRIPTIVE STATISTICS: ak031.rwl 13:38 Thu 10 Mar 2005 Page 8 ------------------------------------------------------------------------------------------------------------------------------------ Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 021011 1572 1977 406 17 0 .590 .13 .44 .078 .849 .296 2.64 .327 -.014 2 2 021012 1627 1977 351 14 1 .631 .13 .47 .076 .791 .317 2.63 .362 -.022 1 3 021013 1627 1977 351 14 0 .632 .15 .52 .094 .881 .275 2.75 .275 -.010 1 4 021021 1585 1977 393 16 0 .617 .17 .65 .132 .918 .299 2.69 .347 -.053 1 5 021022 1545 1977 433 18 0 .583 .21 .81 .127 .829 .280 2.70 .358 -.024 1 6 021023 1545 1977 433 18 1 .652 .16 .64 .101 .860 .310 2.66 .306 -.013 1 7 021025 1596 1977 382 16 0 .626 .17 .70 .097 .859 .240 2.84 .439 .024 1 8 021031 1515 1976 462 19 0 .710 .15 .44 .083 .776 .315 2.83 .442 -.007 1 9 021032 1515 1977 463 19 0 .679 .20 .99 .141 .824 .294 2.64 .337 -.025 1 10 021033 1598 1898 301 12 0 .701 .09 .38 .071 .848 .429 2.59 .358 -.009 1 11 021034 1598 1977 380 16 0 .660 .25 .59 .112 .665 .286 2.55 .309 -.009 1 12 021035 1557 1977 421 17 0 .684 .13 .38 .073 .783 .305 2.54 .318 -.018 4 13 021036 1557 1977 421 17 0 .683 .21 1.78 .246 .909 .332 2.74 .417 -.024 1 14 021041 1725 1977 253 10 1 .540 .28 .68 .130 .846 .196 2.59 .343 -.052 1 15 021051 1807 1977 171 7 0 .611 .61 1.51 .258 .765 .206 2.54 .357 -.001 1 16 021052 1850 1977 128 5 0 .639 .97 3.29 .581 .907 .184 2.68 .414 -.029 2 17 021061 1752 1977 226 9 0 .676 .48 1.66 .301 .844 .219 2.65 .431 -.038 1 18 021062 1752 1977 226 9 0 .670 .41 1.36 .243 .839 .234 2.70 .413 -.018 1 19 021071 1780 1977 198 8 0 .605 .46 1.12 .275 .913 .197 2.52 .344 -.012 1 20 021072 1743 1977 235 10 0 .709 .55 1.32 .263 .858 .181 2.54 .293 -.037 1 21 021073 1754 1977 224 9 0 .678 .58 1.35 .297 .846 .199 2.59 .435 -.040 1 22 021074 1825 1977 153 6 0 .667 .42 1.02 .228 .902 .174 2.57 .378 -.032 1 23 021081 1780 1977 198 8 1 .594 .24 .72 .147 .864 .248 2.66 .307 -.012 3 24 021091 1660 1977 318 13 0 .657 .19 .56 .098 .797 .248 2.76 .418 -.028 1 25 021092 1662 1977 316 13 0 .631 .28 .81 .165 .869 .210 2.67 .368 -.033 2 26 021093 1648 1977 330 14 0 .667 .29 .87 .165 .892 .197 2.73 .379 -.034 1 27 021101 1678 1977 300 12 0 .628 .42 1.17 .242 .883 .213 2.55 .380 -.038 1 28 021102 1678 1977 300 12 0 .632 .27 .73 .130 .802 .222 2.62 .356 .001 1 29 021103 1709 1977 269 11 0 .710 .33 .84 .173 .856 .242 2.59 .384 -.018 1 30 021104 1709 1977 269 11 0 .743 .23 .63 .146 .872 .337 2.66 .403 -.036 1 31 021111 1830 1977 148 6 0 .597 .32 .87 .181 .870 .219 2.72 .451 -.003 1 32 021131 1758 1977 220 9 0 .670 .35 .83 .130 .791 .185 2.53 .315 -.031 1 33 021132 1758 1977 220 9 2 .473 .27 .55 .089 .742 .187 2.85 .459 -.002 1 34 021133 1734 1977 244 10 0 .518 .27 .64 .107 .737 .241 2.59 .409 -.020 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10143 414 6 .644 .26 3.29 .152 .835 .263 2.85 .368 -.021